19080927

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{8123}}^1$

素因数の和:8164

約数の個数: 20

約数和(自身を含む): 29490120

約数和(自身を除く): 10409193

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 8123, 24369, 73107, 219321, 235567, 657963, 706701, 2120103, 6360309, 19080927]

約数ペア:

[(1, 19080927), (3, 6360309), (9, 2120103), (27, 706701), (29, 657963), (81, 235567), (87, 219321), (261, 73107), (783, 24369), (2349, 8123)]